HAMUNA, Baigo, Basa T. RUMAHORBO, Henderina J. KEILUHU, & ALIANTO ALIANTO.
" Willingness to Pay for Existence Value of Mangrove Ecosystem in Youtefa Bay, Jayapura, Indonesia." <em>Journal of Environmental Management and Tourism</em> [Online], 9.5 (2018): 907-915. Web.  3 Jul. 2024